Remove invalid component name example

MikeRalphson · web-flow · commit 6088808c75a5 · 2017-05-08T16:25:43.000+01:00
diff --git a/versions/3.0.md b/versions/3.0.md
@@ -433,7 +433,6 @@ User_1
 User_Name
 user-name
 my.org.User
-my\org\User
 ```
 
 ##### Components Object Example
